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Reference Manual
00809-0100-4860, Rev BC
Appendix B: Approval information
January 2013
Approval information
I.S. certification
GB3836.1– 2010
GB3836.4– 2010
GB3836.20– 2010
I3 Certification No. GYJ12.1239X
Ex ia IIC T4 Ga (-60 °C ≤ Ta ≤ +70 °C)
Ui = 30 Vdc
Ii = 185 mA
Pi = 1.0 W
Ci = 0uF
Li= 0.97mH
Special conditions for safe use (X)
1. The maximum allowable length of the interconnecting cable between transmitter and
sensor is 152m. The cable shall also be provided by manufacturer.
2. When transient protection terminal block (The Other Option is T1) applied to this
product, during installation, users shall comply with Clause 12.2.4 in GB3836.15-2000
“Electrical apparatus for explosive gas atmospheres Part 15: Electrical installations in
hazardous areas (other than mines).”
3. Suitable heat-resisting cables rated at least +80 °C shall be used when the temperature
of the cable entry around exceed +60 °C.
4. Only be connected to the certified associated apparatus, the Vortex Flowmeter could
be used in the explosive atmosphere. The connection should be complied with the
requirements of the manual of the associated apparatus and the Vortex Flowmeter.
5. The enclosure should be taken to protect it from impact.
6. Any friction should be prevented in order to avoid the risk of electrostatic charge on the
enclosure due to non-conductive paint.
7. The cable with shield is suitable for connection, and the shield should be connected to
earth.
8. The enclosure shall be kept from the dust, but the dust shall not be blown by
compressed air.
9. The cable entry holes have to be connected by means of suitable cable entry, the way of
being installed shall be ensure that the equipment satisfies degree of protection IP66
according to GB4208-2008.
10. Users are forbidden to change the configuration to ensure the explosion protection
performance of the equipment. Any faults shall be settled with experts from the
manufacturer.
11. Precautions shall be taken to ensure that the electronic parts are within permissible
ambient temperature considering the effect of the allowed fluid temperature.